Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000792987-18-000008-index-headers.html | 2018-03-01 16:55:57 | |
| 0000792987-18-000008-index.html | 2018-03-01 16:55:57 | |
| 0000792987-18-000008.txt | 2018-03-01 16:55:57 | |
 0000792987-18-000008-xbrl.zip | 261780 | 2018-03-01 16:55:57 |
| aste-20171231.xml | 2306370 | 2018-03-01 16:55:57 |
| aste-20171231.xsd | 59272 | 2018-03-01 16:55:57 |
| aste-20171231_cal.xml | 108008 | 2018-03-01 16:55:57 |
| aste-20171231_def.xml | 321208 | 2018-03-01 16:55:57 |
| aste-20171231_lab.xml | 1030455 | 2018-03-01 16:55:57 |
| aste-20171231_pre.xml | 597426 | 2018-03-01 16:55:57 |
| ex21.htm | 24178 | 2018-03-01 16:55:57 |
| ex23.htm | 5054 | 2018-03-01 16:55:57 |
| ex31-1.htm | 10717 | 2018-03-01 16:55:57 |
| ex31-2.htm | 10277 | 2018-03-01 16:55:57 |
| ex32.htm | 5545 | 2018-03-01 16:55:57 |
| f10k-123117.htm | 2053077 | 2018-03-01 16:55:57 |
| FilingSummary.xml | 39448 | 2018-03-01 16:55:57 |
| Financial_Report.xlsx | 103403 | 2018-03-01 16:55:57 |
 image0.jpg | 89260 | 2018-03-01 16:55:57 |
| R1.htm | 28235 | 2018-03-01 16:55:57 |
| R10.htm | 13756 | 2018-03-01 16:55:57 |
| R11.htm | 79114 | 2018-03-01 16:55:57 |
| R12.htm | 43545 | 2018-03-01 16:55:57 |
| R13.htm | 26537 | 2018-03-01 16:55:57 |
| R14.htm | 25439 | 2018-03-01 16:55:57 |
| R15.htm | 15918 | 2018-03-01 16:55:57 |
| R16.htm | 11321 | 2018-03-01 16:55:57 |
| R17.htm | 8498 | 2018-03-01 16:55:57 |
| R18.htm | 18020 | 2018-03-01 16:55:57 |
| R19.htm | 5085 | 2018-03-01 16:55:57 |
| R2.htm | 97836 | 2018-03-01 16:55:57 |
| R20.htm | 105645 | 2018-03-01 16:55:57 |
| R21.htm | 6453 | 2018-03-01 16:55:57 |
| R22.htm | 141034 | 2018-03-01 16:55:57 |
| R23.htm | 8744 | 2018-03-01 16:55:57 |
| R24.htm | 16040 | 2018-03-01 16:55:57 |
| R25.htm | 187751 | 2018-03-01 16:55:57 |
| R26.htm | 12323 | 2018-03-01 16:55:57 |
| R27.htm | 17916 | 2018-03-01 16:55:57 |
| R28.htm | 8328 | 2018-03-01 16:55:57 |
| R29.htm | 157217 | 2018-03-01 16:55:57 |
| R3.htm | 17083 | 2018-03-01 16:55:57 |
| R30.htm | 32899 | 2018-03-01 16:55:57 |
| R31.htm | 14603 | 2018-03-01 16:55:57 |
| R32.htm | 76043 | 2018-03-01 16:55:57 |
| R33.htm | 41897 | 2018-03-01 16:55:57 |
| R34.htm | 26145 | 2018-03-01 16:55:57 |
| R35.htm | 25329 | 2018-03-01 16:55:57 |
| R36.htm | 15630 | 2018-03-01 16:55:57 |
| R37.htm | 10685 | 2018-03-01 16:55:57 |
| R38.htm | 17646 | 2018-03-01 16:55:57 |
| R39.htm | 116626 | 2018-03-01 16:55:57 |
| R4.htm | 50662 | 2018-03-01 16:55:57 |
| R40.htm | 140514 | 2018-03-01 16:55:57 |
| R41.htm | 13642 | 2018-03-01 16:55:57 |
| R42.htm | 190076 | 2018-03-01 16:55:57 |
| R43.htm | 11652 | 2018-03-01 16:55:57 |
| R44.htm | 17430 | 2018-03-01 16:55:57 |
| R45.htm | 79844 | 2018-03-01 16:55:57 |
| R46.htm | 14630 | 2018-03-01 16:55:57 |
| R47.htm | 67290 | 2018-03-01 16:55:57 |
| R48.htm | 21857 | 2018-03-01 16:55:57 |
| R49.htm | 18354 | 2018-03-01 16:55:57 |
| R5.htm | 25924 | 2018-03-01 16:55:57 |
| R50.htm | 37521 | 2018-03-01 16:55:57 |
| R51.htm | 21656 | 2018-03-01 16:55:57 |
| R52.htm | 23645 | 2018-03-01 16:55:57 |
| R53.htm | 81958 | 2018-03-01 16:55:57 |
| R54.htm | 19436 | 2018-03-01 16:55:57 |
| R55.htm | 6629 | 2018-03-01 16:55:57 |
| R56.htm | 120971 | 2018-03-01 16:55:57 |
| R57.htm | 22677 | 2018-03-01 16:55:57 |
| R58.htm | 16344 | 2018-03-01 16:55:57 |
| R59.htm | 8865 | 2018-03-01 16:55:57 |
| R6.htm | 109589 | 2018-03-01 16:55:57 |
| R60.htm | 197186 | 2018-03-01 16:55:57 |
| R61.htm | 27996 | 2018-03-01 16:55:57 |
| R62.htm | 52444 | 2018-03-01 16:55:57 |
| R63.htm | 92487 | 2018-03-01 16:55:57 |
| R64.htm | 61476 | 2018-03-01 16:55:57 |
| R65.htm | 14830 | 2018-03-01 16:55:57 |
| R66.htm | 14237 | 2018-03-01 16:55:57 |
| R67.htm | 48770 | 2018-03-01 16:55:57 |
| R7.htm | 60814 | 2018-03-01 16:55:57 |
| R8.htm | 5788 | 2018-03-01 16:55:57 |
| R9.htm | 90359 | 2018-03-01 16:55:57 |
| report.css | 2767 | 2018-03-01 16:55:57 |
| Show.js | 1410 | 2018-03-01 16:55:57 |